10. Dianne Wiest, "Hannah and Her Sisters" (1986)

The only actor ever to win two Oscars for Woody-penned roles, Dianne Wiest has made five films with Allen and seems like one of the most defining and indispensable women of his oeuvre. That’s in large part thanks to the first of those Oscar-winning performances: in "Hannah and Her Sisters," Wiest rivetingly combines the trademark neuroses of both an Allen heroine and, to some skewed degree, Allen himself. (Not for nothing are the two together at the film’s close.) Her terminally insecure, self-destructive Holly enters the film late only to become its spinning dramatic pivot: a failed actress and coke addict who feeds eagerly off her family’s unhappiness to launch a writing career, she’s a darting, dishonest character made maddeningly sympathetic by Wiest’s hungry, hopeful gaze, nerve-addled body language and irresistible knack for an accidental one-liner.